Lockin; Lockout - Fujitsu FLM 150 ADM Maintenance And Trouble Clearing

Maintenance and Trouble Clearing
FJTU-320-515-480
3.43

LOCKIN

AID
Direction
Type
OC3 NA
OVTG
3.44

LOCKOUT

AID
Direction
Type
OC3 NA
OVTG
Issue 9, May 1999
Table 3-41: LOCKIN—Alarm Event
Probable Cause
Lockin has • Check the local receive and upstream transmit optical
occurred on the
high-speed OC-3
group. Some
• Clean the optical connectors. (See Section 5.1, Handling
intermittent
failure has caused
more than four
• Lockin prevents continued switching under intermittent
APS events within
10 minutes.
This indication
should be
ED-FFP-OC3:TID:AID:CTAG:::LIN=N;
accompanied by
other OC-3 OVTG
The FLEXR GT 1.1 steps are as follows:
alarms listed in
Provisioning
this section.
System
Set System Lockin (select unit)
Table 3-42: LOCKOUT—Standing Condition
Probable Cause
Manual lockout has been
applied on the OC-3 group
to prevent any automatic
switching.
FNC and FNC Customer Use Only
Suggested Corrective Action
levels to verify that no optical unit has failed or been
removed.
Fiber Cables, and Section 5.2, Cleaning, Connecting, and
Disconnecting the Optical Connectors).
failures that affect both the working and protection lines. If
lockin is not desired, it can be disabled by setting LIN=N for
the OC-3 group by using the following TL1 command:
Switch Lockin =Y, N
Suggested Corrective Action
• Check to see if there is a valid reason to
maintain the lockout condition.
• If appropriate, release the lockout.
3.43: LOCKIN
Vol. ll, Page 480.3-24